A 70-foot-deep ice cave formed by lava from Mt. Fuji on the edge of Japan's "Suicide Forest." 

Stuck in a bygone era, the oldest subterranean shopping street in Japan hides beneath the popular Asakusa district of Tokyo.

When this clock strikes a certain time, puppets showcase a story of life in Edo Japan.

A Catholicism-themed restaurant where sacrilege is on the menu.

Drinkslinger is an unlikely vocation for a Buddhist monk, but at this Tokyo bar the enlightenment is served in a martini glass.

This free museum is building a collection of books that are banned, censored or burnt around the world.

Nicknamed the "Grand Canyon of the North," this open-pit mine in Minnesota has a much shorter history.

A memorial to the late U.S. Senator Paul Wellstone, who died at this location, along with seven others, in a plane crash in 2002.

The first museum in the world devoted to sexual gadgetry.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

This spooky statue sits outside a famous Prague theater.

A significant example of Czech cubist architecture—a style you won't find anywhere else in the world.

This grubby wall is said to be one of the Earth's esoteric energy centers.

A collection of modern and vintage pinball machines housed in the cellar of a 15th-century building.

Known as the Hintz House, this medieval pharmacy has been an apothecary's haven for nearly 450 years.

A spooky spot along the road where things mysteriously seem to move uphill by themselves.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

This massive underground salt mine now holds a sci-fi theme park in its depths.

The Natural History Museum that time forgot.

This bizarre residential building is the masterpiece of Von Jour Caux, the “Gaudí of Japan.”

This museum showcases the art of ancient sword-making.

A railway station takeout shop sells boxed meals in containers shaped like trains and snowmen that hold the country’s abundant regional delicacies.

Not quite the menace it once was, this monster still has some chops.

A 20-meter (65-foot) robot towers over Tokyo Bay.